摘要:
MST , kruskal 直接跑----------------------------------------------------------------------#include#include#include#include#include#define rep( i , n ) fo... 阅读全文
摘要:
一棵树..或许用LCA比较好吧...但是我懒...写了个dijkstra也过了..----------------------------------------------------------------------------#include#include#include#include#... 阅读全文